<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1 align="center">课程表</h1>
<center>
<table border="1">
<tr>
  <td></td>
  <td>星期一</td>
  <td>星期二</td>
  <td>星期三</td>
  <td>星期四</td>
  <td>星期五</td>
</tr>
<tr>
  <td rowspan="4">上午</td>
  <td>语文</td>
  <td>数学</td>
  <td>英语</td>
  <td>体育</td>
  <td>生物</td>
</tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
 <tr >
   <td  colspan="6" align="center"><a href="https://www.bilibili.com/">午休bilibili一下</a></td>
 </tr>
  <tr>
    <td rowspan="4">下午</td>
    <td>语文</td>
    <td>数学</td>
    <td>英语</td>
    <td>体育</td>
    <td>生物</td>
  </tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
  <tr>
    <td>生物</td>
    <td>数学</td>
    <td>英语</td>
    <td>语文</td>
    <td>体育</td>
  </tr>
</table>
</center>
</body>
</html>